The discovery of the hidden Van Gogh was made when experts at the National Galleries of Scotland X-rayed the work.
Van Gogh self-portrait found hidden behind another painting - The Boston Globe
Hidden Self-Portrait Discovered Beneath Van Gogh Painting –
Mona Lisa Secret: X-Rays Reveal New Rarity in Famous Painting
Hidden Self-Portrait Discovered Beneath Van Gogh Painting –
Vincent Van Gogh Self-Portrait As A Painter (1887-1888), 57% OFF
Vincent Van Gogh Self-Portrait As A Painter (1887-1888), 57% OFF
Hidden Van Gogh self-portrait discovered behind another painting
File:Vincent van Gogh, Self-Portrait, c. 1887, oil on canvas, 15 ¾ by 13 ⅜ inches. Wadsworth Athenaeum Museum of Art, Hartford, Connecticut.jpg - Wikipedia
In van Gogh's hidden self-portrait, thrilling questions about the artist - The Washington Post
Hidden Self-Portrait Discovered Beneath Van Gogh Painting –
New Van Gogh Self-portrait Discovered Via X-ray In Scotland The
Hidden self-portrait of Van Gogh found behind another painting
Van Gogh self-portrait – with left ear intact – found hidden behind another painting